Gopalakrishnan, K. (2017). Machine Drawing (3rd ed.). Vikas Publishing House.
Fundamentals of Machine Drawing: A Review of Orthographic Projection, Dimensioning, and Assembly Drawings as Per Gopalakrishnan machine drawing book by gopalakrishnan pdf
Following first-angle projection (as per Indian standards), Gopalakrishnan details how to project three principal views: front, top, and side. Hidden edges are shown as dashed lines, and centerlines indicate axes of symmetry. Gopalakrishnan, K